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Types of dsl

ADSL - Asymmetrical Digital Subscriber Line
ADSL - Asymmetrical Digital Subscriber Line

ADSL (Asymmetric Digital Subscriber Line) is a technology for transmitting digital information at a high bandwidth on existing phone lines to homes and businesses. Unlike regular dialup phone service, ADSL provides continously-available, "always on" connection.

ADSL Lite (or Glite)
ADSL Lite (or Glite)

For more information, see Digital Subscriber Line. G.Lite is the informal name for what is now a standard way to install Asymmetric Digital Subscriber Line service. Also known as Universal ADSL, G.Lite makes it possible to have Internet connections to home and business computers at up to 1.5 Mbps (millions of bits per second) over regular phone lines.

HDSL - Hight Bit-Rate Digital Subscriber Line
HDSL - Hight Bit-Rate Digital Subscriber Line

HDSL (High bit-rate Digital Subscriber Line), one of the earliest versions of DSL, is used for wideband digital transmission within a corporate site and between the telephone company and a customer.

IDSL - ISDN Digital Subscriber Line
IDSL - ISDN Digital Subscriber Line

ISDN digital subscriber line (IDSL) is a cross between ISDN and xDSL. It is like ISDN in that it uses a single-wire pair to transmit full-duplex data at 128 kbit/s and at distances of up to RRD range.

R-ADSL - Rate-Adapative Digital Subscriber Line
R-ADSL - Rate-Adapative Digital Subscriber Line

Rate-adaptive digital subscriber line (RADSL) is a pre-standard asymmetric digital subscriber line (ADSL) solution. RADSL was introduced as proprietary technology by AT&T Paradyne, later GlobeSpan Technologies Inc., in June 1996. In September 1999, RADSL technology was formally described by ANSI in T1.TR.59-1999.

RADSL - (Rate Adaptive Digital Subscriber Line)
RADSL - (Rate Adaptive Digital Subscriber Line)

Rate-adaptive digital subscriber line (RADSL) is a pre-standard asymmetric digital subscriber line (ADSL) solution. RADSL was introduced as proprietary technology by AT&T Paradyne, later GlobeSpan Technologies Inc., in June 1996.